<template>
  <div ref="chart"  :style="chartStyle">
  </div>
</template>

<script>
import echarts from 'echarts';

export default {
  name: 'scattercommon',
  props: {
    config: {
      required: true,
    },
    chartStyle: {
      require: false,
      type: Object,
      default: () => ({
        height: '100%',
        position: 'absolute',
        width: '100%',
        top: '0px',
        bottom: '0px',
        left: '0px',
      }),
    },
  },
  data() {
    return {
      chart: null,
    };
  },
  created() {

  },
  mounted() {
    this.renderChart();
  },
  methods: {
    handleResize() {
      if (this.chart) {
        this.chart.resize();
      }
    },
    renderChart() {
      if (!this.chart) {
        this.chart = echarts.init(this.$refs.chart, this.config.theme);
      }
      const option = this.makeOptions(this.config, this.chartData);
      this.chart.clear();
      this.chart.setOption(option);
      setTimeout(() => {
        this.chart.resize();
      }, 100);
    },
    makeOptions() {
      const hours = ['12a', '1a', '2a', '3a', '4a', '5a', '6a',
        '7a', '8a', '9a', '10a', '11a',
        '12p', '1p', '2p', '3p', '4p', '5p',
        '6p', '7p', '8p', '9p', '10p', '11p'];
      const days = ['周一', '周二', '周三',
        '周四', '周五', '周六', '周日'];

      const data = [[0, 0, 5], [0, 1, 1], [0, 2, 0], [0, 3, 0], [0, 4, 0],
        [0, 5, 0], [0, 6, 0], [0, 7, 0], [0, 8, 0], [0, 9, 0], [0, 10, 0],
        [0, 11, 2], [0, 12, 4], [0, 13, 1], [0, 14, 1], [0, 15, 3],
        [0, 16, 4], [0, 17, 6], [0, 18, 4], [0, 19, 4], [0, 20, 3],
        [0, 21, 3], [0, 22, 2], [0, 23, 5], [1, 0, 7], [1, 1, 0],
        [1, 2, 0], [1, 3, 0], [1, 4, 0], [1, 5, 0], [1, 6, 0],
        [1, 7, 0], [1, 8, 0], [1, 9, 0], [1, 10, 5], [1, 11, 2],
        [1, 12, 2], [1, 13, 6], [1, 14, 9], [1, 15, 11], [1, 16, 6],
        [1, 17, 7], [1, 18, 8], [1, 19, 12], [1, 20, 5], [1, 21, 5],
        [1, 22, 7], [1, 23, 2], [2, 0, 1], [2, 1, 1], [2, 2, 0],
        [2, 3, 0], [2, 4, 0], [2, 5, 0], [2, 6, 0], [2, 7, 0],
        [2, 8, 0], [2, 9, 0], [2, 10, 3], [2, 11, 2], [2, 12, 1],
        [2, 13, 9], [2, 14, 8], [2, 15, 10], [2, 16, 6], [2, 17, 5],
        [2, 18, 5], [2, 19, 5], [2, 20, 7], [2, 21, 4], [2, 22, 2],
        [2, 23, 4], [3, 0, 7], [3, 1, 3], [3, 2, 0], [3, 3, 0],
        [3, 4, 0], [3, 5, 0], [3, 6, 0], [3, 7, 0], [3, 8, 1],
        [3, 9, 0], [3, 10, 5], [3, 11, 4], [3, 12, 7], [3, 13, 14],
        [3, 14, 13], [3, 15, 12], [3, 16, 9], [3, 17, 5], [3, 18, 5],
        [3, 19, 10], [3, 20, 6], [3, 21, 4], [3, 22, 4], [3, 23, 1],
        [4, 0, 1], [4, 1, 3], [4, 2, 0], [4, 3, 0], [4, 4, 0],
        [4, 5, 1], [4, 6, 0], [4, 7, 0], [4, 8, 0], [4, 9, 2],
        [4, 10, 4], [4, 11, 4], [4, 12, 2], [4, 13, 4], [4, 14, 4],
        [4, 15, 14], [4, 16, 12], [4, 17, 1], [4, 18, 8], [4, 19, 5],
        [4, 20, 3], [4, 21, 7], [4, 22, 3], [4, 23, 0], [5, 0, 2],
        [5, 1, 1], [5, 2, 0], [5, 3, 3], [5, 4, 0], [5, 5, 0],
        [5, 6, 0], [5, 7, 0], [5, 8, 2], [5, 9, 0], [5, 10, 4],
        [5, 11, 1], [5, 12, 5], [5, 13, 10], [5, 14, 5], [5, 15, 7],
        [5, 16, 11], [5, 17, 6], [5, 18, 0], [5, 19, 5], [5, 20, 3],
        [5, 21, 4], [5, 22, 2], [5, 23, 0], [6, 0, 1], [6, 1, 0],
        [6, 2, 0], [6, 3, 0], [6, 4, 0], [6, 5, 0], [6, 6, 0],
        [6, 7, 0], [6, 8, 0], [6, 9, 0], [6, 10, 1], [6, 11, 0],
        [6, 12, 2], [6, 13, 1], [6, 14, 3], [6, 15, 4], [6, 16, 0],
        [6, 17, 0], [6, 18, 0], [6, 19, 0], [6, 20, 1], [6, 21, 2],
        [6, 22, 2], [6, 23, 6]];

      const option = {
        tooltip: {
          position: 'top',
        },
        title: [],
        singleAxis: [],
        series: [],
      };

      echarts.util.each(days, (day, idx) => {
        option.title.push({
          textBaseline: 'middle',
          top: `${((idx + 0.5) * 100) / 7}%`,
          text: day,
        });
        option.singleAxis.push({
          left: 80,
          type: 'category',
          boundaryGap: false,
          data: hours,
          top: `${((idx * 100) / 7) + 5}%`,
          height: `${100 / 7 - 10}%`,
          axisLabel: {
            interval: 2,
          },
        });
        option.series.push({
          singleAxisIndex: idx,
          coordinateSystem: 'singleAxis',
          type: 'scatter',
          data: [],
          symbolSize(dataItem) {
            return dataItem[1] * 4;
          },
        });
      });

      echarts.util.each(data, (dataItem) => {
        option.series[dataItem[0]].data.push([dataItem[1], dataItem[2]]);
      });
      return option;
    },
  },
  watch: {
    config: {
      deep: true,
      handler() {
        if (this.config.needResize) {
          this.config.needResize = false;
          this.handleResize();
        }
      },
    },
  },
};
</script>

<style scoped lang="stylus">

</style>
